Draft-free 11" diameter cast aluminum talk thru is meant for exterior installations. This model is a larger version of our No. 8-D. No. 11-D Talk Thru is adjustable for glazing from .25" to 1.875" thick. Optional spacer ring is requ 
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Draft-free 8.375" diameter cast aluminum talk thru is well suited for exposed application. Natural voice transmission is obtained through the tensed clear plastic diaphragm while eliminating air flow. Perforated clear security screen on customer side 
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Creative Industrie’s bullet resistant Walk-Up Window has an aluminum frame. Patented stainless steel counter top with drawer leaves space in front of window for writing surface or purse ledge. Weatherstripped drawer extends out to customer for access to c 
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Five inch diameter cast stainless steel talk thru with vertical louvers provides natural voice transmission. No. 5-D Talk Thru is available for interior or exterior use (specify which) 
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Round 6" diameter cast stainless steel talk thru design offers natural voice transmission with evenly spaced louvers. This unit is available as interior or exterior model (specify which). 
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